MacTeX2016インストール後，TeX Live Utilityでアップデートするとコンパイルエラーが発生するようになりました．状況は，
- latexだと無事コンパイルでき，platexだとコンパイルエラーが起きます
- またTeX distributionで2015に戻すとエラーは起きません．
$ platex kns0617.tex
This is e-pTeX, Version 3.14159265-p3.7-160201-2.6 (utf8.euc) (TeX Live 2016) (preloaded format=platex) restricted \write18 enabled.
entering extended mode
(./kns0617.tex
pLaTeX2e <2016/06/10> (based on LaTeX2e <2016/03/31> patch level 1)
Babel <3.9r> and hyphenation patterns for 83 language(s) loaded.
(/usr/local/texlive/2016/texmf-dist/tex/latex/amscls/amsart.cls
Document Class: amsart 2015/03/04 v2.20.2
(/usr/local/texlive/2016/texmf-dist/tex/latex/amsmath/amsmath.sty
For additional information on amsmath, use the `?' option.
(/usr/local/texlive/2016/texmf-dist/tex/latex/amsmath/amstext.sty
(/usr/local/texlive/2016/texmf-dist/tex/latex/amsmath/amsgen.sty))
(/usr/local/texlive/2016/texmf-dist/tex/latex/amsmath/amsbsy.sty)
(/usr/local/texlive/2016/texmf-dist/tex/latex/amsmath/amsopn.sty))
(I search kanjifont definition file: . . ) (I search font definition file: . .
（途中省略）
Overfull \hbox (5.84218pt too wide) in paragraph at lines 204--210
[][]\OT1/cmr/m/it/10 Let $\OML/cmm/m/it/10 f$ \OT1/cmr/m/it/10 be a three-dimen
sional dif-feo-mor-phism hav-ing a non-transverse
[2]
! Extra \else.
\pltx@cond ...->#1\expandafter \@firstoftwo \else
\expandafter \@secondoftwo...
l.220 ...stence was presented by Bonatti and D\'i
az in \cite[\S 5]{BD08}. W...
?
